/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using EvaluationException = System.Qizx.Api.EvaluationException;
using EvalContext = System.Qizx.XQuery.EvalContext;
using Focus = System.Qizx.XQuery.Focus;
using XQType = System.Qizx.XQuery.XQType;
namespace System.Qizx.XQuery.Fn
{
	
	/// <summary> Implementation of function fn:boolean.</summary>
	public class _Boolean:Function
	{
		public override Prototype[] Protos
		{
			get
			{
				return protos;
			}
			
		}
		internal static Prototype[] protos;
		
		public class Exec:Function.BoolCall
		{
			
			public override bool evalAsBoolean(Focus focus, EvalContext context)
			{
				context.at(this);
				return args[0].evalEffectiveBooleanValue(focus, context);
			}
		}
		static _Boolean()
		{
			protos = new Prototype[]{Prototype.fn("boolean", XQType.BOOLEAN, typeof(Exec)).arg("srcval", XQType.ITEM.star)};
		}
	}
}